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[Kickstarter] XMiniLab Portable Oscilloscope

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nathanpc:
Yesterday I was browsing 43oh for the first time (because I'm considering it for a coin cell powered project) and I saw a promo for this Kickstarter campaign: XMiniLab Portable Oscilloscope. It rapidly caught my attention because it looked cool, so I decided to read more about it.

As far as I can see this is another one of those pocket oscilloscopes that Dave loves to rant. I would rant about this one too since the interface is horrible and you can't see much detail, at least those QuadDSOs use a better input jack instead of the crappy headphone stuff and they also have a decent screen with a ok software, this XMiniLab doesn't.

As a oscilloscope it is really bad, but one of the things that really made it interesting is the fact that it also has a arbitrary waveform generator, which is something I've never seen in such a small package. I found it interesting that it had such capability and decided to share it with the community and get your opinions on it.

I'm considering backing the project just to play around with the AWG, but I would never use it as a function generator (neither as a oscilloscope) since I already have one.

EEVblog:
That reminds me, I have a DSO quad here for review....

tom66:
I've actually seriously considered making a product similar to this but with a 3.5" full colour TFT, two channel AWG (3MHz 5Vp-p into 50 ohms), two channel scope, 20 MHz bandwidth and 200MS/s sampling rate. In addition the slightly less useful ("wank?") features were 0-200V DC voltmeter, digital signal generation on 8 buffered outputs, and a 100mA adjustable DC power supply (shared with sig gen output.) Battery life maybe 4 hours with everything going, 8 hours scope only.

However, I eventually decided not to make it because I realised there aren't many portable applications where you need both an AWG and scope. It's nice to be able to do it, but for those applications I think they'd be better served by separate instruments. Plus, although I could probably make them and sell them at a $400 price point, I'm pretty sure China would under cut me.

Rasz:
http://www.elektroda.pl/rtvforum/viewtopic.php?t=2546091&highlight=
Google translate http://translate.google.pl/translate?hl=en&sl=pl&u=http://www.elektroda.pl/rtvforum/topic2546091.html&prev=/search%3Fq%3DMobilny%2Bdwukana%25C5%2582owy%2Boscyloskop%2Bz%2Bwykorzystaniem%2Buk%25C5%2582adu%2BFPGA%26safe%3Doff%26client%3Dopera%26hs%3Dkkx%26channel%3Dsuggest
At least two people from elektroda (polish electronics forum) build their own mini DSOs as a BSc Thesis. I think one of them is trying to bring it to market.

jucole:
Not much of a scope spec;   I have Dave's early DSO1 schematic printed-out which is probably just as good, and that was done some time ago ;-)

The kickstarter scope specs...


--- Quote ---Oscilloscope Specifications
    2 Analog Inputs
    Maximum Sampling rate: 2MSPS
    Analog Bandwidth: 200kHz
    Resolution: 8bits
    Input Impedance: 1M?, 10pF
    Buffer size per channel: 256
    Input Voltage Range: -14V to +20V

--- End quote ---


I'm actually working on something similar which is a re-spin on Dave's DSO1.

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